How real is this video about the Nepal Royal Massacre?

The Nepalese royal massacre which was occurred on first night of June 2001 is the black day in the history of Nepal that the Nepalese people can’t forget in their life time. The Medias reported many causes behind the royal massacre but its till in suspense.In the royal massacre at Nepal's Narayanhiti Palace 10 royal members were dead.

Recently here is a video by purbeli times in YouTube which shows the reason behind Nepal Royal Massacre.Just click the video to know more about the Nepal Royal Massacre.What do you think about the video how real is the video?If this was a real where has he been till this time?